EUVD-2026-61446
GHSA-8j2w-6f6r-9p7c
Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Network-accessible LDAP service exploitable without credentials (PR:N, AC:L), yielding full directory read access (C:H) with no integrity or availability impact confirmed by description.
Primary rating from Vendor (oracle).
CVSS VectorVendor: oracle
Lifecycle Timeline
2DescriptionCVE.org
Vulnerability in the Oracle Unified Directory product of Oracle Fusion Middleware (component: OUD Core). Supported versions that are affected are 12.2.1.4.0 and 14.1.2.1.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via LDAP to compromise Oracle Unified Directory. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Oracle Unified Directory accessible data. CVSS 3.1 Base Score 7.5 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N).
AnalysisAI
Unauthenticated confidentiality breach in Oracle Unified Directory (OUD Core) exposes all directory-accessible data via LDAP. Both supported releases - 12.2.1.4.0 and 14.1.2.1.0 - are affected, confirming this is not a legacy-only issue. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | No special conditions are required for exploitation - this is remote unauthenticated exploitation against default configurations of Oracle Unified Directory via the LDAP protocol. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 3.1 vector (AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N) scores 7.5 and represents a straightforwardly dangerous posture: network-reachable, low complexity, no credentials, no user interaction required. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | Apply the Oracle Critical Security Patch Update for August 2026, available at https://www.oracle.com/security-alerts/cspuaug2026.html, which addresses this vulnerability in Oracle Unified Directory 12.2.1.4.0 and 14.1.2.1.0. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, immediately implement network-level access controls to restrict LDAP traffic (ports 389 and 636) to OUD Core 12.2.1.4.0 and 14.1.2.1.0 systems from only authorized internal users and systems; simultaneously begin an inventory of which applications and services depend on these specific OUD versions. …
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More in Unified Directory
View allComplete takeover of Oracle Unified Directory (OUD) is possible when an unauthenticated remote attacker sends crafted tr
Privilege escalation to full takeover in Oracle Unified Directory (OUD Core) 12.2.1.4.0 and 14.1.2.1.0 lets a low-privil
Full takeover of Oracle Unified Directory is possible in the OUD Core component of Oracle Fusion Middleware versions 12.
Privilege escalation and data compromise in Oracle Unified Directory 14.1.2.1.0 (OUD Core) lets a low-privileged, authen
Complete takeover of Oracle Unified Directory (OUD Core) is achievable by an unauthenticated, network-based attacker com
Full compromise of Oracle Unified Directory is possible in the OUD Core component of Oracle Fusion Middleware versions 1
Full compromise of Oracle Unified Directory (OUD Core component of Oracle Fusion Middleware) is possible when a low-priv
Full compromise of Oracle Unified Directory (OUD Core) is possible when a low-privileged attacker with network access se
Takeover of Oracle Unified Directory is possible in the OUD Core component of Oracle Fusion Middleware versions 12.2.1.4
Data tampering and denial-of-service in Oracle Unified Directory (OUD Core component) let a high-privileged, network-adj
Scope-changing compromise of Oracle Unified Directory (OUD Core) 12.2.1.4.0 and 14.1.2.1.0 lets a remote, unauthenticate
Unauthorized data access in Oracle Unified Directory (OUD Core) 12.2.1.4.0 and 14.1.2.1.0 lets a remote unauthenticated
Same weakness CWE-284 – Improper Access Control
View allSame technique Authentication Bypass
View allShare
External POC / Exploit Code
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